Power Connections; External Radio Connection - Motorola IRRInet-M DC Owner's Manual

Remote terminal unit
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Power Connections

The IRRInet-M DC is powered by 9-30V DC (12 and 24VDC ± 25%) and will work in normal
operating mode with either 12VDC or 24VDC.
The main power supply must be connected to the unit using a 3A fuse
(FKN8245A-see Figure 14).
When connecting the unit via a 3A fuse to a
(see Figure 2)
Connect the unit only to a LISTED Direct plug-in Unit, to a Class II power
source as defined by the National Electrical Code (NEC) and the Canadian
Electrical Code (CEC) or to a power source complying with Clause 2.11 of
UL1950 or Clause 2.5 of UL60950.

External Radio Connection

Connect the external radio to the External Radio port (see Figure 2). Verify that the radio is
powered on. The radio power is driven from the Auxiliary Power Out connector in Figure 2.
For radio installation instructions, see Installation of IRRInet-M with Waris External Radio
below.
It is recommended to replace the external radio only when the unit is
powered off.
If the external radio is connected to an outside power supply, first power
on the unit, and then power on the radio.
note that Pin #1 is + (positive) and Pin #3 is – (negative).
9-30V DC
source through thePWR IN connector
Installation
23

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